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5: Periodic Table

Last updated

Jun 23, 2019
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- 4.5: The Electromagnetic Spectrum
- 5.1: Looking for Patterns: The Periodic Table

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5.1: Looking for Patterns: The Periodic Table
Certain elemental properties become apparent in a survey of the periodic table as a whole. Every element can be classified as either a metal, a nonmetal, or a metalloid (or semi metal). A metal is a substance that is shiny, typically (but not always) silvery in color, and an excellent conductor of electricity and heat. Metals are also malleable (they can be beaten into thin sheets) and ductile (they can be drawn into thin wires).
5.2: The Explanatory Power of the Quantum-Mechanical Model
The chemical properties of elements is determined primarily by the number and distribution of valence electrons.

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